Somaxon Pharmaceuticals Announces Issuance of Patent Relating to Pharmacokinetics of Silenor

Somaxon Pharmaceuticals, Inc. SOMX today announced that the U.S. Patent and Trademark Office has issued U.S. patent no. 7,915,307, entitled “Methods of Improving the Pharmacokinetics of Doxepin.” This patent generally relates to dosing Silenor® (doxepin) at least three hours after a meal to promote faster onset of action and reduce the potential for next-day residual sedation. This patent will expire no earlier than July 2027, and Somaxon has submitted to the U.S. Food and Drug Administration the required information to list the patent in the Orange Book.